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General relativity and relativistic astrophysics

Mukhopadhyay, Banibrata (2015) General relativity and relativistic astrophysics. In: CURRENT SCIENCE, 109 (12). pp. 2250-2257.

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Official URL: http://dx.doi.org/10.1016/j.tips.2015.09.007


Einstein established the theory of general relativity and the corresponding field equation in 1915 and its vacuum solutions were obtained by Schwarzschild and Kerr for, respectively, static and rotating black holes, in 1916 and 1963, respectively. They are, however, still playing an indispensable role, even after 100 years of their original discovery, to explain high energy astrophysical phenomena. Application of the solutions of Einstein's equation to resolve astrophysical phenomena has formed an important branch, namely relativistic astrophysics. I devote this article to enlightening some of the current astrophysical problems based on general relativity. However, there seem to be some issues with regard to explaining certain astrophysical phenomena based on Einstein's theory alone. I show that Einstein's theory and its modified form, both are necessary to explain modern astrophysical processes, in particular, those related to compact objects.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the INDIAN ACAD SCIENCES, C V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA
Keywords: Accretion disks; black holes; Einstein's field equation and its modification; magnetic fields; neutron stars; supernovae; white dwarfs
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 17 Feb 2016 05:34
Last Modified: 17 Feb 2016 05:34
URI: http://eprints.iisc.ac.in/id/eprint/53247

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